DE20303657U1 - Mandrel for machine tool including parting off and polishing tools has enlarged base at one end of shaft with blind bore to accommodate pin on mounting system - Google Patents

Mandrel for machine tool including parting off and polishing tools has enlarged base at one end of shaft with blind bore to accommodate pin on mounting system

Info

Publication number
DE20303657U1
DE20303657U1 DE20303657U DE20303657U DE20303657U1 DE 20303657 U1 DE20303657 U1 DE 20303657U1 DE 20303657 U DE20303657 U DE 20303657U DE 20303657 U DE20303657 U DE 20303657U DE 20303657 U1 DE20303657 U1 DE 20303657U1
Authority
DE
Germany
Prior art keywords
mandrel
shaft
latching
fastening
recess
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE20303657U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DFS Diamon GmbH
Original Assignee
DFS DENTAL FORSCHUNG SCHLEICHER GmbH
DFS DENTAL FORSCHUNG SCHLEICHE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DFS DENTAL FORSCHUNG SCHLEICHER GmbH, DFS DENTAL FORSCHUNG SCHLEICHE filed Critical DFS DENTAL FORSCHUNG SCHLEICHER GmbH
Priority to DE20303657U priority Critical patent/DE20303657U1/en
Publication of DE20303657U1 publication Critical patent/DE20303657U1/en
Priority to EP04002992A priority patent/EP1454595B1/en
Priority to ES04002992T priority patent/ES2264048T3/en
Priority to DE200410006675 priority patent/DE102004006675A1/en
Priority to DE502004000451T priority patent/DE502004000451D1/en
Priority to DE112004000849T priority patent/DE112004000849D2/en
Priority to PCT/DE2004/000371 priority patent/WO2004078054A1/en
Priority to US11/214,586 priority patent/US7367874B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/16—Bushings; Mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B45/00—Means for securing grinding wheels on rotary arbors

Abstract

The mandrel (1) has an elongated parallel-sided shaft (2) made in one piece with an enlarged base (3). There is a conical transition between the shaft and the base. There is a flange (4) at the end of the base and an non-rotating fastening (6). Leaf springs (7) extend into the blind bore (5) in the base. The fastening system for the mandrel includes a pin which extends into the blind bore.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Mandrell oder Aufspannelement für Arbeitsscheiben, beispielsweise bei Trenn-, Schleif und/oder Polierscheiben, mit einem Schaft (2) zum Befestigen des Mandrells an einer Aufnahme oder Spannvorrichtung einer Arbeitsmaschine sowie mit einem Befestigungselement (8) zur wiederlösbaren Befestigung und zum Einspannen der Arbeitsscheibe zwischen einer an einem Mandrellende gebildeten Spannfläche (4) und dem Befestigungselement (8), dadurch gekennzeichnet,
dass das lösbare Befestigungselement ein Stift (8) mit einem Stiftschaft (10) und einem Kopf (10) ist,
dass an dem einen Ende (3) des Mandrells ein achsgleich mit der Mandrell- Längsachse (L) ausgebildete Öffnung (5) für den Stiftschaft (9) vorgesehen ist, und dass Rastmittel (7, 11) vorgesehen sind, um den Stift (8) bzw. dessen Schaft (9) durch wiederlösbares Verrasten von Rastmitteln in der Öffnung (5) zu verankern.1. Mandrel or clamping element for working disks, for example in the case of cutting, grinding and / or polishing disks, with a shaft ( 2 ) for fastening the mandrel to a receptacle or clamping device of a work machine and with a fastening element ( 8 ) for releasable fastening and for clamping the Working disc between a clamping surface ( 4 ) formed on a mandrel end and the fastening element ( 8 ), characterized in that
that the releasable fastening element is a pin ( 8 ) with a pin shaft ( 10 ) and a head ( 10 ),
that at one end ( 3 ) of the mandrel there is an opening ( 5 ) for the pen shaft ( 9 ) which is designed to be axially aligned with the mandrel longitudinal axis (L), and that latching means ( 7 , 11 ) are provided to hold the pen ( 8 ) or its shaft ( 9 ) by releasable locking of locking means in the opening ( 5 ). 2. Mandrell nach Anspruch 1, dadurch gekennzeichnet, dass das eine Ende des Mandrells von einem Kopfstück (3) gebildet ist.2. Mandrel according to claim 1, characterized in that one end of the mandrel is formed by a head piece ( 3 ). 3. Mandrell nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Rastmittel von wenigstens einem aus dem Material des Mandrells oder des Kopfstückes (3) geformten federnden Rastelement (7) und von wenigstens einer Ausnehmung (11) am Stiftschaft (9) gebildet sind.3. Mandrel according to claim 1 or 2, characterized in that the latching means are formed by at least one resilient latching element ( 7 ) formed from the material of the mandrel or the head piece ( 3 ) and by at least one recess ( 11 ) on the pin shaft ( 9 ) , 4. Mandrell nach Anspruch 3, dadurch gekennzeichnet, dass um die Mandrellachse (L) versetzt wenigstens zwei federnde Rastelemente (7) vorgesehen sind, und dass jedem Rastelement eine eine Gegenrast bildende Ausnehmung (11) am Stiftschaft (9) zugeordnet ist.4. Mandrel according to claim 3, characterized in that at least two resilient latching elements ( 7 ) are provided offset about the mandrel axis (L), and that each latching element is assigned a recess ( 11 ) on the pin shaft ( 9 ) forming a counter latching. 5. Mandrell nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich am Umfang des Stiftschaftes (9) in Umfangsrichtung die wenigstens eine Ausnehmung (11) sowie wenigstens ein Umfangsbereich des Schaftes (9) abwechseln, an dem der Schaft die die Gegenrast bildende Ausnehmung nicht besitzt.5. Mandrel according to any one of the preceding claims, characterized in that on the circumference of the pin shaft (9) in the circumferential direction alternating with at least one recess (11) and at least one peripheral portion of the shaft (9) on which the shaft which the counter-latching recess forming does not own. 6. Mandrell nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Mandrell (2) oder das Mandrell-Kopfstück (3) an der Stirn- oder Einspannfläche (4) für die Arbeitsscheibe eine Aufnahme (6) für eine verdrehungssichere Befestigung dieser Arbeitsscheibe aufweist.6. Mandrel according to one of the preceding claims, characterized in that the mandrel ( 2 ) or the mandrel head piece ( 3 ) on the end face or clamping surface ( 4 ) for the working disk has a receptacle ( 6 ) for a rotationally secure fastening of this working disk ,
DE20303657U 2003-03-06 2003-03-06 Mandrel for machine tool including parting off and polishing tools has enlarged base at one end of shaft with blind bore to accommodate pin on mounting system Expired - Lifetime DE20303657U1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE20303657U DE20303657U1 (en) 2003-03-06 2003-03-06 Mandrel for machine tool including parting off and polishing tools has enlarged base at one end of shaft with blind bore to accommodate pin on mounting system
EP04002992A EP1454595B1 (en) 2003-03-06 2004-02-11 Mandrel for working discs
ES04002992T ES2264048T3 (en) 2003-03-06 2004-02-11 MANDRILE FOR WORK DISCS.
DE200410006675 DE102004006675A1 (en) 2003-03-06 2004-02-11 Mandrel or clamping element for disk cutters or polishers has bayonet lock for releasing and re-fixing
DE502004000451T DE502004000451D1 (en) 2003-03-06 2004-02-11 Mandrell for working wheels
DE112004000849T DE112004000849D2 (en) 2003-03-06 2004-02-27 Mandrell for working wheels
PCT/DE2004/000371 WO2004078054A1 (en) 2003-03-06 2004-02-27 Mandrel for working disks
US11/214,586 US7367874B2 (en) 2003-03-06 2005-08-30 Mandrel for working disks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20303657U DE20303657U1 (en) 2003-03-06 2003-03-06 Mandrel for machine tool including parting off and polishing tools has enlarged base at one end of shaft with blind bore to accommodate pin on mounting system

Publications (1)

Publication Number Publication Date
DE20303657U1 true DE20303657U1 (en) 2003-07-24

Family

ID=27635467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20303657U Expired - Lifetime DE20303657U1 (en) 2003-03-06 2003-03-06 Mandrel for machine tool including parting off and polishing tools has enlarged base at one end of shaft with blind bore to accommodate pin on mounting system

Country Status (1)

Country Link
DE (1) DE20303657U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011001264A1 (en) 2011-03-14 2012-09-20 Aesculap Ag Surgical K-wire and surgical screw system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011001264A1 (en) 2011-03-14 2012-09-20 Aesculap Ag Surgical K-wire and surgical screw system
US9095395B2 (en) 2011-03-14 2015-08-04 Aesculap Ag Surgical K-wire and surgical screw system

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20030828

R081 Change of applicant/patentee

Owner name: DFS-DIAMON GMBH, DE

Free format text: FORMER OWNER: DFS DENTAL FORSCHUNG SCHLEICHER GMBH, 93339 RIEDENBURG, DE

Effective date: 20040416

R150 Term of protection extended to 6 years

Effective date: 20060331

R081 Change of applicant/patentee

Owner name: DFS-DIAMON GMBH, DE

Free format text: FORMER OWNER: DENTAL-FORSCHUNG SCHLEICHER GMBH, 93339 RIEDENBURG, DE

Effective date: 20080520

R151 Term of protection extended to 8 years

Effective date: 20090206

R152 Term of protection extended to 10 years

Effective date: 20100929

R071 Expiry of right
R071 Expiry of right